"An objection I've had to many programming books and web sites is that they don't make sample code available under a free software license. This is within the rights of the author, of course, but it seems counter to the spirit of teaching and sharing knowledge to restrict the use of example code.

"...The GPL requires anyone who makes a program based on GPL'ed code has to release the source code for their program and license it under the GPL. The MPAA refused multiple requests to provide the sources for their spyware, so an Ubuntu developer sent a DMCA notice to the MPAA's ISP and demanded that the material be taken down as infringing."

"Act VI: The act of learning...

The GNU General Public License (GPL) is often described as "Copyleft" because it turns traditional copyright on its head to make code freer than traditional proprietary copyright licenses. Taking that a step further, some developers are embracing the Unlicense, a license that "disclaims" copyright interest in a piece of code altogether.

When I started using Linux I was totally sold to the concept of Open Source. I still am, but my view changed. The first code I released under an Open Source license was GPL licensed and I continued to do so for some time. The last code under the GPL license I actively developed was Zine until a few days before the release when I relicensed it under the modified BSD license.

"A few months ago, SGI released a new version of the SGI Free License B. With that change, a lot of code used to provide 3D graphics on GNU/Linux systems was now free software.

This was the body of an email message sent to the Open Source Initiative (OSI) license-discuss email list less than two hours after the third version of the GNU General Public License (GPLv3) was officially announced by the Free Software Foundation (FSF): "I submit the following licenses for consideration by the OSI for inclusion in the list of licenses complying with the OSD."

I’m excited today to announce that we are also releasing the ASP.NET MVC source code under the Microsoft Public License (MS-PL). MS-PL is an OSI-approved open source license. The MS-PL contains no platform restrictions and provides broad rights to modify and redistribute the source code. You can read the text of the MS-PL at: http://www.opensource.org/licenses/ms-pl.html

The OSI License-Discuss mailing list has been ablaze for the past few days since Microsoft submitted its Permissive License (MS-PL) to the OSI [Open Source Initiative] for official open source license approval.